Rudbeckia serotina var. sericea (T.V. Moore) Fernald & B.G. Schubert
Rudbeckia serotina var. sericea (T.V. Moore) Fernald & B.G. Schubert is a synonym sensu FNA Ed. Comm., 2006b of:
Rudbeckia hirta var. pulcherrima Farwell, an accepted variety name sensu FNA Ed. Comm., 2006b.